Ce：YAG发光聚光器泵浦的室温准连续波并五苯脉塞
Room-temperature quasi-continuous-wave pentacene maser pumped by an invasive Ce:YAG luminescent concentrator
摘要：
本文介绍了一个室温下在磁场中工作于1.45 GHz的并五苯脉塞，脉宽为$\sim$ 4 ms，输出功率达-25 dBm。该脉泽由掺铈钇铝石榴石（Ce：YAG）发光聚光器（LC）光泵浦，其楔形输出嵌入在0.1%并五苯掺杂的对三联苯（Pc：Ptp）晶体内。泵浦晶体位于钛酸锶（STO）的环内，该环支持高磁性Purcell因子的TE $_{01δ}$模式。结合模拟结果，我们的结果表明，只要避免晶体过热，并五苯脉泽在室温下连续运转是完全可行的。
英文摘要：
We present in this work a quasi-continuous-wave (CW) pentacene maser operating at 1.45 GHz in the Earth's magnetic field at room temperature with a duration of $\sim$4 ms and an output power of up to -25 dBm. The maser is optically pumped by a cerium-doped YAG (Ce:YAG) luminescent concentrator (LC) whose wedge-shaped output is embedded inside a 0.1% pentacene-doped para-terphenyl (Pc:Ptp) crystal. The pumped crystal is located inside a ring of strontium titanate (STO) that supports a TE$_{01δ}$ mode of high magnetic Purcell factor. Combined with simulations, our results indicate that CW operation of pentacene masers at room-temperature is perfectly feasible so long as excessive heating of the crystal is avoided.
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